SnD xp seems random. Average between 15000-50000xp per game with double xp. sometimes getting the same score, kills, plants etc. Then just had a game with end score of 1700, with 3 plants and got 92k...
So been taking this past 3 times now, must say love the feeling it gives. Apart from the constant dehydration. Now i get alot of water daily (easily over a gallon maybe 2), and about half a gallon...